/**
 *    Copyright 2011 M. Lauer
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *        http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */
package com.googlecode.stew_faces.util;

import javax.faces.bean.ManagedBean;
import javax.faces.bean.RequestScoped;
import javax.faces.component.UIComponent;
import javax.faces.component.UIViewRoot;
import javax.faces.context.FacesContext;

@ManagedBean
@RequestScoped
public class ComponentHelper {

	public String getClientId(String paramId) {
		UIComponent component = getComponent(paramId);
		if (component != null) {
			return component.getClientId();
		}
		return null;
	}

	private UIComponent getComponent(String paramId) {
		UIViewRoot root = FacesContext.getCurrentInstance().getViewRoot();
		return root.findComponent(paramId);
	}
	
}
